class Tilelayer extends BaseEntity
  constructor: (options) ->
    {@type, @depth, @amount} = options
    @randomFactor = getRandomInt 0, 4
    @sprite = [@randomFactor*8, @depth*8, 8, 8]

  render: (layer, x, y) ->
    layer.drawRegion app.images.layers, @sprite, x*8, y*8